1
hello
1
2
1
5
3
6
1
3
2
1
0
2
3
3
1
2
1
3
2
5
0
0
1
6
1
1
0
7
0
1
1
0
0
2
1
9
3
2
4
0
2
3
1
9
7
3
4
9
1
